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 (to͞o′pəl, tŭp′əl)
A generalization of ordered pairs, such as (-3, 4), and ordered triples, such as (0, -3, 5), in any dimension. An n-tuple is an ordered list of n numbers and can represent a point in n-dimensional space.

[From -tuple, as in quintuple or sextuple.]


(ˈtjʊpəl; ˈtʌpəl)
(Computer Science) computing a row of values in a relational database
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This minimal distance is initially the sum over all distances in DistTable (an upper limit), and the corresponding route is an empty tuple.
k] (when k [is greater than] 0) and for the empty tuple [] (when k = 0).
These programs have zero arity output relations that either contain the empty tuple (true) or no tuples (false).